problem please help

hi to all, there is a 7 day tournament and it costs $16.07 per second. i would like to know what is the total $ answer with scientific notation to (4s.f) many thanks in advance a model would be perfect for future use.

Last edited by unkle; April 17th 2013 at 12:20 PM.
Reason: spelling mistake

Re: scientific notation question

The number of seconds in 7 days is
The total cost is then
In scientific notation we have one digit in front of the decimal place and multiply it by 10 to the power of something, so the answer in scientific notation would be or sometimes . You can round it to as many decimal places as you like.